Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2003-12-24
2008-08-12
Szekely, Peter (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S116000, C524S119000
Reexamination Certificate
active
07411013
ABSTRACT:
A flame-retardant resin composition comprises a base resin (A), an organic phosphorus compound (B) having a unit represented by the following formula (1a), and a flame-retardant auxiliary (C).Wherein Ar represents an aromatic hydrocarbon ring or a nitrogen-containing aromatic heterocycle; X1represents an oxygen atom or a sulfur atom; Y1and Y2are the same or different and each represents a hydrocarbon group, an alkoxy group, an aryloxy group, or an aralkyloxy group; Z1represents an alkylene group, or a nitrogen-containing bivalent group corresponding to an alkylamine; Y1and Y2may bind to each other, and Y1and Y2together with the adjacent phosphorus atom may form a ring; “a” denotes 0 or 1; and “b” denotes an integer of 1 to 6.
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Office Action issued Jun. 23, 2006 in Chinese Application No. 200380107715.7 in Chinese and English translation.
International Search Report.
Harashina Hatsuhiko
Yamada Shin-ya
Nixon & Vanderhye P.C.
Polyplastics Co. Ltd.
Szekely Peter
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